New java.sun.com article on XML Digital Signatures

There's a new java.sun.com article titled Java XML Digital Signatures. It includes an introduction to XML digital signatures and to the new Java XML Digital Signatures APIs (JSR 105). It also discusses how to accelerate Java XML digital signature performance using cryptographic hardware accelerators such as Sun's UltraSPARC T1 processor with cryptographic acceleration support. The article was written by Sun's Java Web Services Security and Performance Team.